From 518cdff81fff7bf0dac6aaa4b456fe90647acdea Mon Sep 17 00:00:00 2001
From: Ivan Kalvachev <ikalvachev@gmail.com>
Date: Thu, 12 May 2011 16:11:27 +0300
Subject: [PATCH] Fix posix_memalign() usage when libavutil is compiled outside
 FFmpeg.

To use posix_memalign() "#define _XOPEN_SOURCE 600" have to be defined.
FFmpeg configure defines it from the command line through config.mak,
but when libavutil is used outside of FFmpeg the define is missing.

Signed-off-by: Ivan Kalvachev <ikalvachev@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
 libavutil/mem.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libavutil/mem.c b/libavutil/mem.c
index 873d8feb76..57dc658b97 100644
--- a/libavutil/mem.c
+++ b/libavutil/mem.c
@@ -24,6 +24,8 @@
  * default memory allocator for libavutil
  */
 
+#define _XOPEN_SOURCE 600
+
 #include "config.h"
 
 #include <limits.h>